public static List<CustomLiveTemplate> listApplicableCustomTemplates(
@NotNull Editor editor, @NotNull PsiFile file, boolean selectionOnly) {
List<CustomLiveTemplate> result = new ArrayList<CustomLiveTemplate>();
for (CustomLiveTemplate template : CustomLiveTemplate.EP_NAME.getExtensions()) {
if ((!selectionOnly || template.supportsWrapping())
&& isApplicable(template, editor, file, selectionOnly)) {
result.add(template);
}
}
return result;
}
@NotNull
public static String findLiveTemplatePrefix(
@NotNull PsiFile file, @NotNull Editor editor, @NotNull String defaultValue) {
final CustomTemplateCallback callback = new CustomTemplateCallback(editor, file, false);
for (CustomLiveTemplate customLiveTemplate : CustomLiveTemplate.EP_NAME.getExtensions()) {
final String customKey = customLiveTemplate.computeTemplateKey(callback);
if (customKey != null) {
return customKey;
}
}
return defaultValue;
}
@Nullable
public Runnable prepareTemplate(
final Editor editor,
char shortcutChar,
@Nullable final PairProcessor<String, String> processor) {
if (editor.getSelectionModel().hasSelection()) {
return null;
}
PsiFile file = PsiUtilBase.getPsiFileInEditor(editor, myProject);
if (file == null) return null;
Map<TemplateImpl, String> template2argument =
findMatchingTemplates(file, editor, shortcutChar, TemplateSettings.getInstance());
List<CustomLiveTemplate> customCandidates =
ContainerUtil.findAll(
CustomLiveTemplate.EP_NAME.getExtensions(),
customLiveTemplate ->
shortcutChar == customLiveTemplate.getShortcut()
&& (editor.getCaretModel().getCaretCount() <= 1
|| supportsMultiCaretMode(customLiveTemplate)));
if (!customCandidates.isEmpty()) {
int caretOffset = editor.getCaretModel().getOffset();
PsiFile fileCopy = insertDummyIdentifierIfNeeded(file, caretOffset, caretOffset, "");
Document document = editor.getDocument();
for (final CustomLiveTemplate customLiveTemplate : customCandidates) {
if (isApplicable(customLiveTemplate, editor, fileCopy)) {
final String key =
customLiveTemplate.computeTemplateKey(new CustomTemplateCallback(editor, fileCopy));
if (key != null) {
int offsetBeforeKey = caretOffset - key.length();
CharSequence text = document.getImmutableCharSequence();
if (template2argument == null
|| !containsTemplateStartingBefore(
template2argument, offsetBeforeKey, caretOffset, text)) {
return () -> customLiveTemplate.expand(key, new CustomTemplateCallback(editor, file));
}
}
}
}
}
return startNonCustomTemplates(template2argument, editor, processor);
}
@Override
public void invoke(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
SelectionModel selectionModel = editor.getSelectionModel();
if (!selectionModel.hasSelection()) {
selectionModel.selectLineAtCaret();
}
ZenCodingTemplate emmetCustomTemplate =
CustomLiveTemplate.EP_NAME.findExtension(ZenCodingTemplate.class);
if (emmetCustomTemplate != null) {
new WrapWithCustomTemplateAction(
emmetCustomTemplate, editor, file, ContainerUtil.newHashSet())
.actionPerformed(null);
} else if (!ApplicationManager.getApplication().isUnitTestMode()) {
HintManager.getInstance()
.showErrorHint(editor, "Cannot invoke Surround with Emmet in the current context");
}
}